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https://github.com/torvalds/linux
17 May 2024, 11:00:25 UTC
Revision e4d9e513dedb5ac4e166c1053314fa935ddecc8c authored by Mengdong Lin on 03 July 2014, 09:02:23 UTC, committed by Takashi Iwai on 04 July 2014, 05:47:22 UTC 
ALSA: hda - restore BCLK M/N value as per CDCLK for HSW/BDW display HDA controller
 
For HSW/BDW display HD-A controller, hda_set_bclk() is defined to set BCLK
by programming the M/N values as per the core display clock (CDCLK) queried from
i915 display driver.

And the audio driver will also set BCLK in azx_first_init() since the display
driver can turn off the shared power in boot phase if only eDP is connected
and M/N values will be lost and must be reprogrammed.

Signed-off-by: Mengdong Lin <mengdong.lin@intel.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
1 parent c149dcb
History
Tip revision: e4d9e513dedb5ac4e166c1053314fa935ddecc8c authored by Mengdong Lin on 03 July 2014, 09:02:23 UTC
ALSA: hda - restore BCLK M/N value as per CDCLK for HSW/BDW display HDA controller
Tip revision: e4d9e51
File Mode Size
Kconfig -rw-r--r-- 3.3 KB
Makefile -rw-r--r-- 1.1 KB
README -rw-r--r-- 7.9 KB
acl.h -rw-r--r-- 1.8 KB
bitmap.c -rw-r--r-- 39.3 KB
dir.c -rw-r--r-- 9.0 KB
do_balan.c -rw-r--r-- 53.7 KB
file.c -rw-r--r-- 7.7 KB
fix_node.c -rw-r--r-- 77.4 KB
hashes.c -rw-r--r-- 3.5 KB
ibalance.c -rw-r--r-- 34.3 KB
inode.c -rw-r--r-- 93.1 KB
ioctl.c -rw-r--r-- 5.3 KB
item_ops.c -rw-r--r-- 18.0 KB
journal.c -rw-r--r-- 120.1 KB
lbalance.c -rw-r--r-- 41.2 KB
lock.c -rw-r--r-- 2.6 KB
namei.c -rw-r--r-- 43.6 KB
objectid.c -rw-r--r-- 6.8 KB
prints.c -rw-r--r-- 20.7 KB
procfs.c -rw-r--r-- 13.4 KB
reiserfs.h -rw-r--r-- 116.5 KB
resize.c -rw-r--r-- 6.3 KB
stree.c -rw-r--r-- 64.0 KB
super.c -rw-r--r-- 67.3 KB
tail_conversion.c -rw-r--r-- 9.2 KB
xattr.c -rw-r--r-- 25.6 KB
xattr.h -rw-r--r-- 4.0 KB
xattr_acl.c -rw-r--r-- 9.5 KB
xattr_security.c -rw-r--r-- 2.9 KB
xattr_trusted.c -rw-r--r-- 1.4 KB
xattr_user.c -rw-r--r-- 1.3 KB

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